Hat



FIG. 1 is a front perspective view of a hat showing my new design;

FIG. 2 is a front elevation view thereof; and,

FIG. 3 is a rear elevation view thereof.

The broken line showings of a hat in FIGS. 1, 2 and 3, respectively, are for the purpose of illustrating the environment in which the design is associated and form no part of the claimed design. 

The ornamental design for a hat, as shown and described. 